CHANGE OWNERSHIP BY USER

You can change the ownership of all files owned by
a specific user to a different specific user by
simply running ...

find / -user -exec chown {} \;

Obviously you would place the current owner/new owner in place of the
<> listed in the command above ... NOTE: All tips provided are USE AT YOUR OWN RISK. Tips are submitted
by various unix admins around the globe. UGU suggest you read and
test each tip in a non-volitile environment before placing into
production.